Home / 2,820,774.21-3,892,668.39-1,613,550.21

Finding the Fourth Proportional to 2,820,774.21, 3,892,668.39 and 1,613,550.21

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Solution

The fourth proportional to 2,820,774.21, 3,892,668.39 and 1,613,550.21 is: 2,226,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,774.21 : 3,892,668.39 = 1,613,550.21 : x
  2. Step 2: Convert to fraction form
    2,820,774.21/3,892,668.39 = 1,613,550.21/x
  3. Step 3: Cross multiply
    2,820,774.21x = 3,892,668.39 × 1,613,550.21
  4. Step 4: Simplify right side
    2,820,774.21x = 6,281,015,898,144.86
  5. Step 5: Solve for x
    x = 6,281,015,898,144.86/2,820,774.21
  6. Step 6: Final answer
    x = 2,226,699.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.